/**
* Copyright (c) 2014,Egret-Labs.org
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the Egret-Labs.org nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY EGRET-LABS.ORG AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL EGRET-LABS.ORG AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
var egret;
(function (egret) {
    (function (gui) {
        /**
        * @class egret.gui.LayoutUtil
        * @classdesc
        * 布局工具类
        */
        var LayoutUtil = (function () {
            function LayoutUtil() {
            }
            /**
            * 根据对象当前的xy坐标调整其相对位置属性，使其在下一次的父级布局中过程中保持当前位置不变。
            * @method egret.gui.LayoutUtil.adjustRelativeByXY
            * @param element {IVisualElement} 要调整相对位置属性的对象
            * @param parent {DisplayObjectContainer} element的父级容器。若不设置，则取element.parent的值。若两者的值都为空，则放弃调整。
            */
            LayoutUtil.adjustRelativeByXY = function (element, parent) {
                if (typeof parent === "undefined") { parent = null; }
                if (!element)
                    return;
                if (!parent)
                    parent = element.parent;
                if (!parent)
                    return;
                var x = element.x;
                var y = element.y;
                var h = element.layoutBoundsHeight;
                var w = element.layoutBoundsWidth;
                var parentW = parent.width;
                var parentH = parent.height;
                if (!isNaN(element.left)) {
                    element.left = x;
                }
                if (!isNaN(element.right)) {
                    element.right = parentW - x - w;
                }
                if (!isNaN(element.horizontalCenter)) {
                    element.horizontalCenter = x + w * 0.5 - parentW * 0.5;
                }

                if (!isNaN(element.top)) {
                    element.top = y;
                }
                if (!isNaN(element.bottom)) {
                    element.bottom = parentH - y - h;
                }
                if (!isNaN(element.verticalCenter)) {
                    element.verticalCenter = h * 0.5 - parentH * 0.5 + y;
                }
            };
            return LayoutUtil;
        })();
        gui.LayoutUtil = LayoutUtil;
        LayoutUtil.prototype.__class__ = "egret.gui.LayoutUtil";
    })(egret.gui || (egret.gui = {}));
    var gui = egret.gui;
})(egret || (egret = {}));
